X-Linked Inheritance. X-Linked Inheritance. Traits that are determined by alleles carried on the X chromosome are referred to as X-linked. X-linked alleles require a specific notation: X c or X + where the â+â represents the dominant allele and the lowercase letter the recessive allele.
Owners of the Swiss cheese plant may wonder about its unusual appearance ( RF Company / Alamy) Swiss cheese plants are climbers that grow in the understorey of tropical American forests and are technically hemiepiphytes. That is, they start off in the ground like any normal plant.
Emmentaler cheese is made from cowâs milk and traces its origins to the Emme Valley in Switzerland, hence its name (Tal is the German word for valley). Emmentaler and other Swiss-style cheeses are characterized by large holes, commonly known as cheese eyes. These cavities are in fact carbon dioxide bubbles that form and remain trapped in the cheese as a result of specific bacteria action over the course of the aging process.